Santiago weather in August

In August, Santiago sees average daytime highs of 33°C and overnight lows near 24°C, with 205 mm of rain across 22.8 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Santiago's 12th-clearest and 4th-windiest month. For the whole year in context, see Santiago's year-round climate.

Daytime high
33°
4th warmest
Overnight low
24°
11th coldest
Rainfall
205 mm
22.8 wet days
Daylight
12 h 36 min
5:41 AM – 6:15 PM
Cloud cover
87%
12th clearest
Wind
4 km/h
4th windiest
Solar energy
4.98 kWh/m²
Travel score
2.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Santiago reaches about 33°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How August really feels in Santiago

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Santiago weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 21°651111.16.2
Feb28° / 21°529.611.46.0
Mar30° / 22°6110.811.95.0
Apr32° / 23°6111.112.43.7
May34° / 24°16117.412.82.5
Jun34° / 25°13818.6132.2
Jul33° / 24°2232412.92.2
Aug33° / 24°20522.812.62.5
Sep32° / 24°21922.812.12.7
Oct31° / 24°18619.611.63.6
Nov29° / 23°15318.411.24.2
Dec27° / 22°15816.1115.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51288
61288
71288
81288
91288
101288
111288
121387
131387
141387
151387
161387
171387
181387
191387
201387
211486
221486
231585
241585
251585
261585
271684
281684
291783
301783
311684

Chance of precipitation in August

Any precipitation

Santiago gets around 205 mm of rain over 22.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
179
278
377
477
576
676
775
875
974
1074
1174
1273
1373
1473
1574
1674
1774
1874
1974
2074
2174
2274
2374
2473
2573
2673
2773
2873
2973
3074
3174

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21981
31882
41882
51783
61783
71783
81684
91684
101684
111684
121684
131684
141684
151684
161684
171684
181684
191783
201783
211783
221882
231882
241882
251981
261981
271981
281882
291882
301882
311882

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:37 AM to 5:43 AM, and sunset from 6:23 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:376:23
212.75:376:22
312.75:386:22
412.75:386:21
512.75:386:21
612.75:396:20
712.75:396:20
812.75:396:19
912.75:396:19
1012.65:406:18
1112.65:406:18
1212.65:406:17
1312.65:406:17
1412.65:416:16
1512.65:416:15
1612.65:416:15
1712.65:416:14
1812.55:416:14
1912.55:426:13
2012.55:426:12
2112.55:426:12
2212.55:426:11
2312.55:426:10
2412.55:426:09
2512.45:436:09
2612.45:436:08
2712.45:436:07
2812.45:436:07
2912.45:436:06
3012.45:436:05
3112.35:436:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.98 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 5.76 kWh/m² in April across the year — August's 4.98 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Santiago?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5
Sightseeing
9th-best month of the year
4.2
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Santiago.

What to pack for Santiago in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Santiago sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Santiago in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago peaks around August 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 19UV 14Dec 11UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Santiago in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Santiago is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1616 µg/m³Dec 1611 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar15Moderate
Apr17Moderate
May14Moderate
Jun13Moderate
Jul13Moderate
Aug15Moderate
Sep14Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Santiago?

Santiago sits at 16.7°N, 121.5°E, 78 m above sea level, in Philippines. The nearest listed city is Ramon, 11 km away.

Topography around Santiago

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago.

Within 3 km, the terrain around Santiago has only modest variations in elevation — a maximum elevation change of 31 m around an average of 81 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 768 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,898 m.

The land around Santiago is covered by cropland (47%), trees (28%) and artificial surfaces (21%) within 3 km, cropland (63%) and trees (28%) within 16 km, and trees (70%) within 80 km.

3 km
31 m
16 km
768 m
80 km
2,898 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ramon 11 km · Alicia 19 km · Diadi 21 km · San Mateo 22 km · Aglipay 24 km · Baggabag B 43 km · Solano 43 km · Lagawe 47 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santiago (16.6881°, 121.5487°, elevation 78 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).